A Guide To Understanding the Psychology of Trading(거래 심리학을 이해하기 위한 안내) The hardest thing about trading is not the math, the method, or the stock picking. It is dealing with the emotions that arise with trading itself along with the ego’s need to be right. From the stress of entering a trade, to the fear of losing the open paper profits that you are holding in a winning trade, how you deal with t..